李国杰（经理）：18202125732直线：021-61062636(1)安全防护方面。挖掘机各部件应完好无损、连接紧固凡外露的可旋转零部件均需安装防护罩。驾驶室方面。驾驶室应牢固可靠，玻璃完好无损，门窗关闭灵活，门锁牢固梯子扶手及通道应有防滑措施。部件方面。动臂、斗杆、履带架、车架、回转平台等重要结构件不应有严重塑性变形和裂纹，焊缝连接处无明显焊接缺陷(气孔、夹渣、未焊透及未熔合等)，螺栓、铆钉连接不得松动。(2)发动机方面。发动机能顺利启动，运转平稳、怠速稳定，无异响;发动机的润滑、冷却、排气系统的机件应完整无损，且运转良好;液压油压力正常。(3)液压系统方面。液压系统无老化、龟裂、损伤、漏油等现象。(4)电气系统方面。各仪器、仪表、照明灯确保无损坏。系统中应设置作业灯、室内照明灯、性能可靠的起步音响报警装置等设备，照明和信号装置的性能应符合GB/T20418的规定;电气导线无老化、***电气连接接触良好，接插件无松动;显示器(如目视显示器、报警信号器)可正常工作;蓄电池应固定牢固并装有保护罩。(5)回转制动方面。要具备安全可靠的回转制动系统。(6)制动性能方面。应符合GB/T9139.1要求，即在不小于40%的坡度上驻车制动，然后将挖掘机掉头180°，两种状态下分别驻车制动5min，确保设备不下滑(试验时挖掘机的工作装置应处于运输位置)。(7)倾翻保护。若二手挖掘机配备有倾翻保护装置、滚翻保护装置或落物保护装置，应分别符合GB/T19930、GB/T17771和GB/T17922的规定。(1)Safetyprotection.Allpartsoftheexc***atorshallbeintactandfirmlyconnected.Allexposedrotatablepartsshallbeinstalledwithprotectivecover.Cab.Thecabshallbefirmandreliable,theglassshallbeintact,thedoorsandwindowsshallbeclosedflexibly,thedoorlockshallbefirm,andtheladderhandrailandpassageshallbeprovidedwithanti-skidmeasures.Parts.Thereshouldbenoseriousplasticdeformationandcrackontheimportantstructuralpartssuchasboom,***etstick,crawlerframe,frame,rotaryplatform,etc.thereshouldbeno***iousweldingdefects(airhole,slaginclusion,incompletepenetrationandincompletefusion)attheweldjoint,andtheboltandrivetconnectionshouldnotbeloose.(2)Engine.Theenginecanbestarted***oothlywithstableoperationandidlespeedwithoutabnormalnoise;thepartsofenginelubrication,coolingandexhaustsystemshallbeintactandingoodoperation;thehydraulicoilpressureshallbenormal.(3)Hydraulicsystem.Thehydraulicsystemhasnoaging,cracking,damage,oilleakageandotherphenomena.(4)Electricalsystem.Allinstruments,metersandlampsshallbefreefromdamage.Thesystemshallbeequippedwithworklights,indoorlights,reliablestartingsoundalarmdeviceandotherequipment.Theperformanceoflightingandsignaldevicesshallcomplywiththeprovisi***ofGB/t20418;theelectricalwiresshallbefreefromagingandexposure,theelectricalconnectionshallbeingoodcontact,andtheconnectorshallnotbeloose;thedisplay(suchasvisualdisplayandalarmsignal)canworknormally;thebatteryshallbefixedfirmlyandequippedwithprotectivecover.(5)Rotarybrake.Itisnecessarytoh***easafeandreliablerotarybrakingsystem.(6)Brakingperformance.ItshallcomplywiththerequirementsofGB/t9139.1,thatis,parkandbraketheexc***atoronaslopeofnotlessthan40%,andthenturntheexc***ator180°toparkandbrakefor5minrespectivelyunderthetwoconditi***toensurethattheequipmentdoesnotslidedown(theworkingdeviceoftheexc***atorshallbeinthetransportationpositionduringthetest).(7)Rolloverprotection.Ifthesecond-handexc***atorisequippedwithtippingprotectiondevice,rolloverprotectiondeviceorfallingobjectprotectiondevice,itshallcomplywiththeprovisi***ofGB/t19930,GB/t17771andGB/t17922respectively.李国杰（经理）：18202125732直线：021-61062636专注于进出口的物流师在进出口清关的过程中遇到任何问题，都可咨询我，免费为您提供***解答。15年***进出口清关团队竭诚为您服务上海|宁波|昆山|深圳|广州|厦门|成都|天津|青岛|北京|大连|***网点服务LiGuojie(Manager)isalogisticsengineerfocusingonimportandexportIntheprocessofimportandexportcustomsclearance,youcanaskmeforanyquesti***,andprovideyouwithprofessionalanswersfreeofcharge.15yearsofprofessionalimportandexportcustomsclearanceteamtoserveyouwholeheartedlyShanghai,Ningbo,Kunshan,Shenzhen,Guangzhou,Xiamen,Chengdu,Tianjin,Qingdao,Beijing,Dalian,nationalnetworkservice)